Home / 131,465.07-197,208.54-42,716.61

Finding the Fourth Proportional to 131,465.07, 197,208.54 and 42,716.61

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Solution

The fourth proportional to 131,465.07, 197,208.54 and 42,716.61 is: 64,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,465.07 : 197,208.54 = 42,716.61 : x
  2. Step 2: Convert to fraction form
    131,465.07/197,208.54 = 42,716.61/x
  3. Step 3: Cross multiply
    131,465.07x = 197,208.54 × 42,716.61
  4. Step 4: Simplify right side
    131,465.07x = 8,424,080,291.85
  5. Step 5: Solve for x
    x = 8,424,080,291.85/131,465.07
  6. Step 6: Final answer
    x = 64,078.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.